TC Remanufacturing B21FJ9 Automatic Transmission Torque Converter

Automatic Transmission Torque Converter for GM Applications

TC Remanufacturing B21FJ9 is an automatic transmission torque converter built for a range of GM passenger cars and vans. It features a 11.000-inch converter diameter, 9.500 bolt circle, lock-up design, and 2060 RPM stall for applications that require this specific fit and operating range.

Key Features

• Automatic transmission torque converter from TC Remanufacturing
• Part number B21FJ9
• 11.000-inch converter diameter
• 9.500 bolt circle
• Lock-up converter type
• No drive on hub design
• 3-pad mounting type
• 0.825 pilot diameter
• 27-spline count
• 2060 RPM stall
• No ring gear

Detailed Description

This TC Remanufacturing torque converter is specified for GM front-wheel-drive platforms including Chevrolet Lumina, Chevrolet Monte Carlo, Pontiac Grand Prix, Pontiac Grand Am, Buick Skylark, Oldsmobile Cutlass Ciera, and related applications. The B21FJ9 configuration uses a lock-up converter design to match transmissions that call for controlled coupling at cruise, while the 11.000-inch diameter and 27-spline hub details help identify the correct replacement for the transmission build.

Use B21FJ9 when you need a direct-match automatic transmission torque converter for vehicles such as the Chevrolet Lumina, Pontiac Grand Prix, and Buick Skylark. Fitment also includes Chevrolet Celebrity, Chevrolet Cavalier, Oldsmobile Cutlass Supreme, Oldsmobile Silhouette, Pontiac Sunbird, and Pontiac Trans Sport across the listed model years.

What This Part Helps Address

• Shudder or slip caused by a worn torque converter
• Incorrect lock-up operation in the transmission
• Vibration or engagement issues tied to converter wear
• Stall-speed mismatch after transmission service
• Fitment problems when the converter diameter, spline count, or pilot size do not match

Installation Notes and Tips

Verify the transmission code, spline count, pilot diameter, bolt circle, and mounting style before installation. Confirm the 11.000-inch diameter, 9.500 bolt circle, 3-pad mounting, and 0.825 pilot diameter against the original unit to ensure proper alignment and engagement. For best results, inspect the transmission fluid, cooler, and related seals during replacement.

Quality Assurance

TC Remanufacturing supplies remanufactured drivetrain components for service replacement use. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.